<template>
  <div>
    <div style="margin: 10px 0">
      <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" class="mr-5" v-model="name"></el-input>
<!--      <el-input style="width: 200px" placeholder="请输入邮箱" suffix-icon="el-icon-message" class="mr-5" v-model="email"></el-input>-->
<!--      <el-input style="width: 200px" placeholder="请输入地址" suffix-icon="el-icon-position" class="mr-5" v-model="address"></el-input>-->
      <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
      <el-button type="warning" @click="reset">重置</el-button>
    </div>

    <div style="margin: 10px 0">
      <el-button type="primary" @click="handleAdd" >新增 <i class="el-icon-circle-plus-outline"></i></el-button>
      <el-popconfirm
          class="ml-5"
          confirm-button-text='确定'
          cancel-button-text='我再想想'
          icon="el-icon-info"
          icon-color="red"
          title="您确定批量删除这些数据吗？"
          @confirm="delBatch"
      >
        <el-button type="danger" slot="reference">批量删除 <i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>
         </div>

    <el-table :data="tableData" border stripe :header-cell-class-name="'headerBg'"  @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="ID" width="80"></el-table-column>
      <el-table-column prop="name" label="用户名" ></el-table-column>
      <el-table-column prop="description" label="描述" ></el-table-column>
      <el-table-column prop="keyname" label="标识" ></el-table-column>
      <el-table-column label="操作"  width="280" align="center">
        <template slot-scope="scope">
          <el-button type="info" slot="reference" v-bind:flagsave="true" @click="handleMenu(scope.row)" >分配菜单 <i class="el-icon-menu"></i></el-button>
          <el-button type="success" @click="handleEdit(scope.row)" v-bind:flagsave="true">编辑 <i class="el-icon-edit"></i></el-button>
          <el-popconfirm
              class="ml-5"
              confirm-button-text='确定'
              cancel-button-text='我再想想'
              icon="el-icon-info"
              icon-color="red"
              title="您确定删除吗？"
              @confirm="del(scope.row.id)"
          >
            <el-button type="danger" slot="reference" v-bind:flagsave="true">删除 <i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <div style="padding: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="pageNum"
          :page-sizes="[2, 5, 10, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>
    </div>

    <el-dialog title="角色信息" :visible.sync="dialogFormVisible" width="30%" >
      <el-form label-width="80px" size="small">
        <el-form-item label="用户名">
          <el-input v-model="form.name" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model="form.description" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="标识">
          <el-input v-model="form.keyname" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer" >
        <el-button @click="dialogFormVisible = false" class="ml-5">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>
    <el-dialog  title="菜单信息" :visible.sync="dialogTreeVisible" width="30%">
    <el-tree
        :props="props"
        :data="Menudata"
        show-checkbox
        node-key="id"
        ref="tree"
        :default-expanded-keys="expanded"
        :default-checked-keys="checked"
        >
       <span class="custom-tree-node" slot-scope="{ node, data }">
        <span><i :class="data.icon"/>{{ data.name }}</span>
        </span>
    </el-tree>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogTreeVisible = false" class="ml-5">取 消</el-button>
        <el-button type="primary" @click="saveMenuIds">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: "Role",
  data() {
    return {
      tableData: [],
      total: 0,
      pageNum: 1,
      pageSize: 10,
      name: "",
      description:"",
      flagsave:false,
      form: {},
      dialogFormVisible: false,
      multipleSelection: [],
      dialogTreeVisible:false,
      Menudata: [],
      props: {
        label: 'name'
      },
      expanded:[],
      checked:[],
      roleId:0,
      menuids:[],
      roleFlag:''
    }
  },
  created() {
    this.load()
  },
  methods: {
    load() {
      this.request.get("/role/page/", {
        params: {
          pageNum: this.pageNum,
          pageSize: this.pageSize,
          name: this.name,
        }
      }).then(res => {
        console.log(res)
        this.tableData = res.data.records
        this.total = res.data.total

      })
    },
    save() {
      console.log(this.flagsave)
    if(!this.flagsave){
      this.request.post("/role/inster", this.form).then(res => {
        if (res.code=="200") {
          this.$message.success("添加成功")
          this.dialogFormVisible = false
          this.load()
        } else {
          this.$message.error("添加失败")
        }
      })
    }else {
      this.request.put("/role/", this.form).then(res => {
        if (res.code=="200") {
          this.$message.success("修改成功")
          this.dialogFormVisible = false
          this.load()
        } else {
          this.$message.error("修改失败")
        }
      })
    }
    },
    handleAdd() {
      this.dialogFormVisible = true
      this.form = {}
      this.flagsave=false
    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row))  //可以解决编辑未确认就改变的问题
      // this.form=row
      this.dialogFormVisible = true
      this.flagsave=true
    },
    handleMenu(role){
      this.dialogTreeVisible=true;
      this.request.get("/menu/").then(res=>{
        this.Menudata=res.data
        //取id
        this.expanded=this.Menudata.map(v=>v.id)
      })
      this.roleId=role.id
      this.roleFlag=role.keyname
      this.request.get("/role/rolemenu/"+this.roleId).then(res=>{
        var temp=[]
        res.data.forEach(item => {
          temp.push(item.menuId)
        })
        this.checked=temp
        // console.log(this.checked)
        // this.checked.forEach(id=>{
        //   if(!this.checked.includes(id)){
        //     this.$refs.tree.setChecked(id,false)
        //   }
        //
        // })
      })
    },
    //关联角色和菜单的关系
    saveMenuIds(){
      this.request.post("/role/rolemenu/"+this.roleId,this.$refs.tree.getCheckedKeys()).then(res=>{
        if (res.code === '200'&&this.roleFlag === 'ROLE_ADMIN') {
          this.$message.success("绑定成功")
          // this.menuDialogVis = false
          // this.dialogTreeVisible=false
          setTimeout(() =>{
            this.$message.success("退出登录")
          },200)
          this.$store.commit("logout")
          // 操作管理员角色后需要重新登录
        }else if(this.roleFlag === 'ROLE_STUDENT' || this.roleFlag==='ROLE_TEACHER') {
          this.$message.success("绑定成功")
          this.dialogTreeVisible=false
        } else  {
          this.$message.error(res.msg)
        }
      })
      console.log(this.$refs.tree.getCheckedKeys());
    },
    del(id) {
      this.request.delete("/role/" + id).then(res => {
        if (res.code=="200") {
          this.$message.success("删除成功")
          this.load()
        } else {
          this.$message.error("删除失败")
        }
      })
    },
    handleSelectionChange(val) {
      console.log(val)
      this.multipleSelection = val
    },
    delBatch() {
      let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1,2,3]
      this.request.post("/role/del/batch", ids).then(res => {
        if (res.code=="200") {
          this.$message.success("批量删除成功")
          this.load()
        } else {
          this.$message.error("批量删除失败")
        }
      })
    },
    reset() {
      this.name = ""
      this.load()
    },
    handleSizeChange(pageSize) {
      console.log(pageSize)
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum)
      this.pageNum = pageNum
      this.load()
    },

  }
}
</script>


<style>
.headerBg {
  background: #eee!important;
}
</style>
